arcuscollege.nl

Observed Jul 25, 2026, 23:48 UTC (6d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.

Verify this receipt yourself + Watch this domain

Not responding

Email byMicrosoft 365

majestic

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat arcuscollege.nl actually stands on - every host below is a signed observation

arcuscollege.nl

ns1.zurich.surf.netns1.surfnet.nlns2.surfnet.nlns3.surfnet.nl

surf.net + surfnet.nlanswers its DNS

arcuscollege-nl.mail.protection.outlook.com

Microsoft 365receives its email

DNS Records

MX 1

0arcuscollege-nl.mail.protection.outlook.com

TXT 3

arcuscollege
v=spf1 include:spf.protection.outlook.com include:clients.summit.nl include:spf.mandrillapp.com ip4:195.169.181.163 -all
v=DMARC1;p=reject;rua=mailto:d713a3974b@rua.easydmarc.us;ruf=mailto:d713a3974b@ruf.easydmarc.us;fo=1;

NS 4

ns1.zurich.surf.net
ns1.surfnet.nl
ns2.surfnet.nl
ns3.surfnet.nl

SOA 1

ns1.surfnet.nl dns-beheer.surf.nl

TLS Certificates (0)

None.

Subdomains (0)

None observed.

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for arcuscollege.nl. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/arcuscollege.nl">
  <img src="https://domaindrift.io/badge/arcuscollege.nl.svg"
       width="300" height="64" alt="DomainDrift signed observations for arcuscollege.nl">
</a>

Ed25519 Receipt

Receipt ID: rcpt_4290e0db715b948e
Output Hash: d6505e354b32f29afb9e08c8402aa28ea25140c98ac7e53b5db727cba15e0a29
Signature: ed25519:e67b6a0c0f88fa6df49939670b9883be75b0aa0c6f690e78d96c5cf1700dee73212de28382f6c5f89c47abcdbbeecceaa97df924c7bc8a0b924f8b74d90aaa04
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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